[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: ATM A pair of Rumaks


Hello Dave,

This is parameters of your f/10 "Rumak" with better correction of coma:

>
>Surface 1  RoC= -296.316 Glass=BK7
>Distance 1 to 2 = 18.000
>Surface 2  RoC = -306.703
>Distance 2 to 3 = 600.000
>Surface 3  RoC = -1380.459 SC=0 Mirror
>Distance 3 to 4 = 463.235
>Surface 4  RoC = -720.86 SC=0 Mirror
>Distance 4 to focus = 703.36
>Focal Surface RoC = ...
>Back Focal Length = 240.12


Regards!
--------------------------
Igor G. Rozivika
  aso@sbor.ru